Colorado pot-testing labs under review

March 26, 2015
Photo: Marijuana bud (AP Photo)
Sales associate Matt Hart uses a pair of chopsticks to hold a bud of Lemon Skunk, the strain of highest potency available at the 3D Dispensary, on Friday, Dec. 19, 2014, in Denver. 

A bill up for its first test Thursday in a House committee would change that by creating a state "reference library" to try to standardize marijuana tests.